<template>
<el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
  <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px">
    <el-form-item label="类型" prop="type">
      <el-radio-group v-model="dataForm.type">
        <el-radio v-for="(type, index) in dataForm.typeList" :label="index" :key="index">{{ type }}</el-radio>
      </el-radio-group>
    </el-form-item>
    <el-form-item :label="dataForm.typeList[dataForm.type] + '名称'" prop="name">
      <el-input v-model="dataForm.name" :placeholder="dataForm.typeList[dataForm.type] + '名称'"></el-input>
    </el-form-item>
    <el-form-item label="上级菜单" prop="parentName">
      <el-popover ref="menuListPopover" placement="bottom-start" trigger="click">
        <el-tree :data="menuList" :props="menuListTreeProps" node-key="menuId" ref="menuListTree" @current-change="menuListTreeCurrentChangeHandle" :default-expand-all="true" :highlight-current="true" :expand-on-click-node="false">
        </el-tree>
      </el-popover>
      <el-input v-model="dataForm.parentName" v-popover:menuListPopover :readonly="true" placeholder="点击选择上级菜单" class="menu-list__input"></el-input>
    </el-form-item>
    <el-form-item v-if="dataForm.type === 1" label="菜单路由" prop="url">
      <el-input v-model="dataForm.url" placeholder="菜单路由"></el-input>
    </el-form-item>
    <el-form-item v-if="dataForm.type !== 0" label="授权标识" prop="perms">
      <el-input v-model="dataForm.perms" placeholder="多个用逗号分隔, 如: user:list,user:create"></el-input>
    </el-form-item>
    <el-form-item v-if="dataForm.type !== 2" label="排序号" prop="orderNum">
      <el-input-number v-model="dataForm.orderNum" controls-position="right" :min="0" label="排序号"></el-input-number>
    </el-form-item>
    <el-form-item v-if="dataForm.type !== 2" label="菜单图标" prop="icon">
      <el-row>
        <el-col :span="22">
          <el-popover ref="iconListPopover" placement="bottom-start" trigger="click" popper-class="mod-menu__icon-popover">
            <div class="mod-menu__icon-inner">
              <div class="mod-menu__icon-list">
                <el-button v-for="(item, index) in iconList" :key="index" @click="iconActiveHandle(item)" :class="{ 'is-active': item === dataForm.icon }">
                  <icon-svg :name="item"></icon-svg>
                </el-button>
              </div>
            </div>
          </el-popover>
          <el-input v-model="dataForm.icon" v-popover:iconListPopover :readonly="true" placeholder="菜单图标名称" class="icon-list__input"></el-input>
        </el-col>
        <el-col :span="2" class="icon-list__tips">
          <el-tooltip placement="top" effect="light">
            <div slot="content">
              全站推荐使用SVG Sprite, 详细请参考:<a href="//github.com/daxiongYang/renren-fast-vue/blob/master/src/icons/index.js" target="_blank">icons/index.js</a>描述
            </div>
            <i class="el-icon-warning"></i>
          </el-tooltip>
        </el-col>
      </el-row>
    </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="visible = false">取消</el-button>
    <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
  </span>
</el-dialog>
</template>

<script>
import { treeDataTranslate } from "@/utils";
import Icon from "@/icons";

import {
  MenuSaveApi,
  MenuUpdateApi,
  MenuSelectApi,
  MenuInfoApi
} from "@/api/sys/menu.js";
import { WarningConfirm, SuccessMessage } from "@/utils/message.js";

export default {
  data() {
    var validateUrl = (rule, value, callback) => {
      if (this.dataForm.type === 1 && !/\S/.test(value)) {
        callback(new Error("菜单URL不能为空"));
      } else {
        callback();
      }
    };
    return {
      visible: false,
      dataForm: {
        id: 0,
        type: 1,
        typeList: ["目录", "菜单", "按钮"],
        name: "",
        parentId: 0,
        parentName: "",
        url: "",
        perms: "",
        orderNum: 0,
        icon: "",
        iconList: []
      },
      dataRule: {
        name: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ],
        parentName: [
          { required: true, message: "上级菜单不能为空", trigger: "change" }
        ],
        url: [{ validator: validateUrl, trigger: "blur" }]
      },
      menuList: [],
      menuListTreeProps: {
        label: "name",
        children: "children"
      }
    };
  },
  created() {
    this.iconList = Icon.getNameList();
  },
  methods: {
    init(id) {
      this.dataForm.id = id || 0;
      MenuSelectApi()
        .then(data => {
          this.menuList = treeDataTranslate(data.menuList, "menuId");
        })
        .then(() => {
          this.visible = true;
          this.$nextTick(() => {
            this.$refs["dataForm"].resetFields();
          });
        })
        .then(() => {
          if (!this.dataForm.id) {
            // 新增
            this.menuListTreeSetCurrentNode();
          } else {
            // 修改
            MenuInfoApi(this.dataForm.id).then(data => {
              this.dataForm.id = data.menu.menuId;
              this.dataForm.type = data.menu.type;
              this.dataForm.name = data.menu.name;
              this.dataForm.parentId = data.menu.parentId;
              this.dataForm.url = data.menu.url;
              this.dataForm.perms = data.menu.perms;
              this.dataForm.orderNum = data.menu.orderNum;
              this.dataForm.icon = data.menu.icon;
              this.menuListTreeSetCurrentNode();
            });
          }
        });
    },
    // 菜单树选中
    menuListTreeCurrentChangeHandle(data, node) {
      this.dataForm.parentId = data.menuId;
      this.dataForm.parentName = data.name;
    },
    // 菜单树设置当前选中节点
    menuListTreeSetCurrentNode() {
      this.$refs.menuListTree.setCurrentKey(this.dataForm.parentId);
      this.dataForm.parentName = (this.$refs.menuListTree.getCurrentNode() || {})["name"];
    },
    // 图标选中
    iconActiveHandle(iconName) {
      this.dataForm.icon = iconName;
    },
    // 表单提交
    dataFormSubmit() {
      this.$refs["dataForm"].validate(valid => {
        if (valid) {
          let data = {
            menuId: this.dataForm.id || undefined,
            type: this.dataForm.type,
            name: this.dataForm.name,
            parentId: this.dataForm.parentId,
            url: this.dataForm.url,
            perms: this.dataForm.perms,
            orderNum: this.dataForm.orderNum,
            icon: this.dataForm.icon
          };
          if (data.menuId) {
            MenuUpdateApi(data).then(() => {
              SuccessMessage("菜单修改成功", () => {
                this.visible = false;
                this.$emit("refreshDataList");
              });
            });
          } else {
            MenuSaveApi(data).then(() => {
              SuccessMessage("菜单添加成功", () => {
                this.visible = false;
                this.$emit("refreshDataList");
              });
            });
          }
        }
      });
    }
  }
};
</script>

<style lang="scss">
.mod-menu {

  .menu-list__input,
  .icon-list__input {
    >.el-input__inner {
      cursor: pointer;
    }
  }

  &__icon-popover {
    width: 458px;
    overflow: hidden;
  }

  &__icon-inner {
    width: 478px;
    max-height: 258px;
    overflow-x: hidden;
    overflow-y: auto;
  }

  &__icon-list {
    width: 458px;
    padding: 0;
    margin: -8px 0 0 -8px;

    >.el-button {
      padding: 8px;
      margin: 8px 0 0 8px;

      >span {
        display: inline-block;
        vertical-align: middle;
        width: 18px;
        height: 18px;
        font-size: 18px;
      }
    }
  }

  .icon-list__tips {
    font-size: 18px;
    text-align: center;
    color: #e6a23c;
    cursor: pointer;
  }
}
</style>
